kernel_module_loader: Add TW_BATTERY_SYSFS_WAIT_SECONDS to configure Wait_For_Battery timeout

Xiaomi sm8350 device test passed.

Change-Id: Icb55fe73bf2e5bf9b6f5de5edbac8a8aac80e7e5
Signed-off-by: sekaiacg <sekaiacg@gmail.com>
diff --git a/kernel_module_loader.cpp b/kernel_module_loader.cpp
index f62eda8..db5dee8 100644
--- a/kernel_module_loader.cpp
+++ b/kernel_module_loader.cpp
@@ -76,7 +76,9 @@
 
 	android::base::SetProperty("twrp.modules.loaded", "true");
 
-	TWFunc::Wait_For_Battery(3s);
+#ifdef TW_BATTERY_SYSFS_WAIT_SECONDS
+	TWFunc::Wait_For_Battery(std::chrono::seconds(TW_BATTERY_SYSFS_WAIT_SECONDS));
+#endif
 
 	return true;
 }